code: def suggest(self, trial_id: str) -> Optional[Dict]:
      self._trial_count += 1
      return {"id": self._trial_count}
  
imports: import collections
  import json
  import os
  from pathlib import Path
  import random
  import time
  from typing import Dict, List, Optional
  import ray
  from ray import train, tune
  from ray.train.data_parallel_trainer import DataParallelTrainer
  from ray.tune.experiment import Trial
  from ray.train.tests.util import create_dict_checkpoint, load_dict_checkpoint
label_desc: Use image node_id 2 for calling the StatefulSearcher obj's underlying member method code with example usage: obj.suggest(trial_id) and returns: dict